---What are you reading? --- The Old Man and the Sea Hemingway.
–What ___ the number of the students in your school?–About two thousand. A number of them_____ from England.
—Would you mind looking after my dog while I'm on holiday?—____.
The tall man ____ wears a new coat is our new English teacher, isn't he?
—Tom wants to know if you ___ a picnic next Sunday.—Yes. But if it ___, we'll visit the museum instead.
— Mr. Lee ____ to a student when I entered the classroom this morning.-- He is very patient ____he is young.